FU Ori • Astronomers Find Clue to Solar System Formation Through Little-known Star 11.12.2021 VIDEO: Star-flash heating around the second star after it has crashed through the disc. Side view temperature of a stellar flyby with a periastron distance of 20 AU. The bottom right shows the accretion rates of both stars. Turn the audio on to also hear an audible representation of the mass accretion rates added together. Credit: Elisabeth Borchert. • An international study led by Monash University ast